[Chameleon] MapDHTML.widget.php ERROR

[José Luis Romero Lagos]

I've has just installed MS4W and chameleon on an ISS 6, and i'm trying to
run my chameleon sample enhanced application and I got this error:
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*Notice*: Trying to get property of non-object in *
C:\ms4w\apps\chameleon\htdocs\widgets\MapDHTML\MapDHTML.widget.php* on line
*188*

*Fatal error*: Call to a member function set() on a non-object in *
C:\ms4w\apps\chameleon\htdocs\widgets\MapDHTML\MapDHTML.widget.php* on line
*198
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Line 188:
*            if ($nWidth != $this->moMapObject->oMap->width ||
                $nHeight != $this->moMapObject->oMap->height )
Line 198
       $this->moMapObject->oMap->set("width", $nWidth);
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does anybody has an idea why I get this error
-- 
    José Luis Romero Lagos
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